Detained Vietnamese lawyer Le Cong Dinh's family waits for permission to contact him, four days after his arrest.
New warnings about the impact of dams along one of the world's longest rivers.
A young lawyer who defended dissidents and activists faces up to 20 years in jail.
A Vietnamese minister known for speaking out says police targeted his wife.
A Catholic leader in Vietnam has joined with critics of a controversial plan to mine for bauxite.